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1
artículo
Publicado 2016
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Teaching models in endoscopy are important tools to minimize risks derived from endoscopic procedures, taking into account that therapeutic endoscopy, also known as surgical endoscopy, has greatly developed during the last decade. This results from the fact that minimally invasive procedures present relevant contributions and promote more comfort to patients. In this context, ex vivo teaching models and virtual simulators are important tools to the safe acquisition of abilities. In this article, the Brazilian Society of Digestive Endoscopy presents and describes its first course of therapeutic ERCP and EUS in models of laboratory teaching.
2
artículo
Publicado 2015
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Objective: Todesign and build an educational model using a Virtual Simulation Laboratory Section of Pharmacology and to know the level of student satisfaction. Material and Methods: Descriptive, qualitative study of research-action type. The design and implementation of a virtual simulation laboratory, the intervention of improvement and perfection of teaching materials for the development of thepractical section of Pharmacology, Faculty of Medicine at San Marcos was planned, using the software Microlab® and CV Rat. A survey of user satisfactionin virtual laboratory technique was conducted, using the interview as aninstrument, and a Likert scale of minimum satisfaction starting in 1 to maximum of 10. Sample size of 26 students. Results: A new process of Experimental Pharmacology Laboratory teaching - learning was implemented, using virtual simulation. Most students in the virtual class ...
3
tesis de grado
Publicado 2023
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La inferencia de Redes Neuronales Profundas (o DNNs, por sus siglas en inglés, Deep Neural Networks) se ha vuelto cada vez más demandante en términos de almacenamiento de memoria, complejidad computacional y consumo de energía. Desarrollar hardware especializado en DNNs puede ser un proceso tedioso, que se alarga aún más si se considera el tiempo requerido en escribir software para ello. Así, esta tesis consiste en la validación del acelerador de hardware de redes neuronales NVDLA (por sus siglas en inglés, Nvidia Deep Learning Accelerator) utilizando un ambiente de co-simulación basado en su plataforma híbrida: un CPU implementado como Prototipo Virtual (PV), basado en el Quick Emulator (QEMU), y el modelo de hardware en RTL del NVDLA dentro de un FPGA. Para ello, la arquitectura más portátil del NVDLA nv_small es configurada en el FPGA de una instancia F1 del servicio E2C ...
4
tesis de grado
Publicado 2023
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La inferencia de Redes Neuronales Profundas (o DNNs, por sus siglas en inglés, Deep Neural Networks) se ha vuelto cada vez más demandante en términos de almacenamiento de memoria, complejidad computacional y consumo de energía. Desarrollar hardware especializado en DNNs puede ser un proceso tedioso, que se alarga aún más si se considera el tiempo requerido en escribir software para ello. Así, esta tesis consiste en la validación del acelerador de hardware de redes neuronales NVDLA (por sus siglas en inglés, Nvidia Deep Learning Accelerator) utilizando un ambiente de co-simulación basado en su plataforma híbrida: un CPU implementado como Prototipo Virtual (PV), basado en el Quick Emulator (QEMU), y el modelo de hardware en RTL del NVDLA dentro de un FPGA. Para ello, la arquitectura más portátil del NVDLA nv_small es configurada en el FPGA de una instancia F1 del servicio E2C ...
5
artículo
Publicado 2022
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Objective: To determine the level of the technical skills development of the medical student in performing surgical sutures through a virtual teaching model. Methods: A retrospective, descriptive and longitudinal study was carried out that evaluated some skills of 24 undergraduate medical students, without prior surgery knowledge to perform surgical sutures (simple and crossed interrupted suture) through virtual teaching of the course of surgical technique (virtual classrooms, synchronous videoconferences, inanimate and ex vivo simulation models and telementoring). Results: In relation to the simple interrupted suture, there was a significant improvement in the OSATS (objective structured assessment of technical skills) from 6 ± 0.28 to 28 ± 2.6 as well as the rubric of the finished suture from 5 ± 0.28 to 24 ± 1.5 and a decrease in the time to perform the suture from 44 ± 13 second...
6
artículo
An educational Virtual Lab dealing with a mixed gearing of wheels has been created. Gears of wheels are common in Mechanical Engineering applications, like industrial machinery. This Virtual Lab is ideal when teaching and/or learning the relationship between geared wheels having three types of contact: tangent, coaxial, and by a belt. The virtual lab performs simulation based on the mathematical modeling of the gearing and allows the user to visualize the behavior of a mixed gearing of wheels and to get acquainted with the rotation speeds, number of turns and other parameters that appear when a set of wheels are geared
7
artículo
An educational Virtual Lab dealing with a mixed gearing of wheels has been created. Gears of wheels are common in Mechanical Engineering applications, like industrial machinery. This Virtual Lab is ideal when teaching and/or learning the relationship between geared wheels having three types of contact: tangent, coaxial, and by a belt. The virtual lab performs simulation based on the mathematical modeling of the gearing and allows the user to visualize the behavior of a mixed gearing of wheels and to get acquainted with the rotation speeds, number of turns and other parameters that appear when a set of wheels are geared
8
artículo
Publicado 2021
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The global health crisis caused by the Covid-19 pandemic has forced teaching and learning models to be rethought. The objective of this literature review was to demonstrate the teaching strategies and resources used in university teaching/learning in the biomedical area in the context of the Covid-19 pandemic. The literature search was in the PubMed, Science-Direct, and Scielo databases; original articles published in 2020 and 2021 were considered, which have addressed virtual simulation as a didactic strategy, its educational design, resources, implementation, and limitations. It is concluded that the different study programs in the biomedical area incorporated the virtual simulation of reality as a strategy and didactic resource in the face of the Covid-19 pandemic, obtaining satisfactory experiences.
9
artículo
The objective of this study is to analyze the hemodynamic factors of flow in an arteriovenous fistula (AVF). The geometric model of the AVF is obtained virtually from a computed tomography. In the mathematical model, which simulates blood flow in the AVF, it is considered a non-Newtonian fluid, incompressible and transient laminar flow. The flow behavior in the AVF is given by the blood velocity in five points corresponding to the mass flow in the systolic phase and in the diastolic phase. The numerical simulation of the velocity field in the systolic phasepresented greater intensity of axial and radial recirculations. The presence of recirculations allows figurative elements to collide excessively in the wall of the endothelium
10
artículo
The objective of this study is to analyze the hemodynamic factors of flow in an arteriovenous fistula (AVF). The geometric model of the AVF is obtained virtually from a computed tomography. In the mathematical model, which simulates blood flow in the AVF, it is considered a non-Newtonian fluid, incompressible and transient laminar flow. The flow behavior in the AVF is given by the blood velocity in five points corresponding to the mass flow in the systolic phase and in the diastolic phase. The numerical simulation of the velocity field in the systolic phasepresented greater intensity of axial and radial recirculations. The presence of recirculations allows figurative elements to collide excessively in the wall of the endothelium
11
artículo
Publicado 2023
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Objective: To evaluate the skills achieved by the undergraduate medical student in performing an open appendectomy and purse string in the simulation model created, to evaluate the degree of satisfaction of its use and to determine its costs. Method: Pre-experimental, prospective and longitudinal study. The skills achieved by 24 undergraduate medical students in performing an open appendectomy and purse string in the simulator were evaluated using the OSATS (Objective Structured Assessment of Technical Skills) through virtual teaching. A survey was conducted to the students to evaluate the simulator and its costs were determined. Results: There was a significant increase in the OSATS of the skills achieved, from 7 (pre-test) to 26 ± 5.71 points (final post-test) (p = 0.0001) and reduction in the operative time from 12 ± 3.81 minutes (first post-test) to 8 ± 2.02 minutes (final post-te...
12
artículo
Publicado 2021
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The conditions of compulsory social confinement as a measure to stop the spread of COVID-19 has had repercussions in academic spaces, in this way both students and university teachers are prevented as a health measure from using laboratories, which implies a difficulty for the teaching-learning, especially in subjects that have a considerable practical component or laboratory hours, as is the case of physics courses. It is in this context that the civil engineering students of the V cycle, through the course of numerical methods, developed the numerical simulation of Monte Carlo. For this purpose, several virtual activities were established, such as the realization of a training workshop in programming language; in the same way, the design of a flow diagram or algorithm was carried out and then implemented in BASIC programming codes. The objective of this research is to numerically simul...
13
artículo
Publicado 2021
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Virtual Reality (VR) is often used to describe a 3D environment wherein objects and images of the real world are simulated through technology. In architectural or civil engineering, the design process with 2D planes could lead to error owing to misinterpretation in the visualization of elements. The civil engineering program of a university in Lima, Peru, mandates the teaching of the building information modeling (BIM) methodology in all the courses, thereby allowing the students to learn about the organization and optimization of projects from the design phase to construction phase. The engineering students are required to manage many variables with the BIM methodology, especially in mechanical, electrical, and plumbing systems. Nevertheless, the teaching method of BIM could be enriched by analyzing 3D project models using VR. Whereas BIM organizes and optimizes a project through a 3D m...
14
Publicado 2018
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El objetivo de este trabajo de investigación es dar a conocer que las aulas virtuales son entornos digitales en los que los estudiantes pueden adquirir conocimientos accediendo a ellos a través de Internet. Es por eso que también se les conoce como el entorno de aprendizaje virtual (VLE). La idea es simular los aspectos más importantes de una clase tradicional y combinarlos con características tecnológicas para promover un mejor aprendizaje, colaboración e integración entre los participantes. Una profusión de proyectos de educación a distancia basados en tecnologías de Internet ha marcado la escena educativa desde la década de 1990. Las iniciativas han surgido como una respuesta inmediata a la necesidad de formación empresarial e-Learning y, en el mundo académico, principalmente en las instituciones públicas, que trata de la inserción de la educación a distancia en el si...
15
artículo
Publicado 2023
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After the COVID pandemic in 2019, the number of startups and entrepreneurship ventures grew exponentially. This article aims to develop a Product Management Model for Entrepreneurship, which allows users to have a better view of the company's financial status. The goal is to facilitate decision-making and optimal resource management. This research consists of several stages. In the first stage, an analysis of the environment and the current situation of the problem was conducted, along with a review of related research papers. Additionally, an analysis of the most important Product Management models currently in use was performed to understand the most relevant aspects and implement an innovative model. Following the study process, the foundational elements of the model were designed, including the metrics involved, as well as the relationships and connections between them, the projectio...
16
tesis de grado
Models are a tool that allow us to simulate real life systems in a virtual environment to generate scenarios and observe how the system reacts. Restaurant management systems incorporate the concepts of RevPash and Menu Analysis to support difficult decisions in pricing, promotions and resource management. In this paper, using Arena 14.0 software, a discrete event model was designed that incorporates the above concepts and simulates the operations of a restaurant. Based on the proposed model, measures were proposed to improve the restaurant's profitability and scenarios were designed with the possible effects. The value of this proposal lies in the economic advantage that can be obtained with the application of models and Menu Analysis in restaurant management.
17
Publicado 2018
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El objetivo de este trabajo de investigación es dar a conocer la expansión de las tecnologíasㅤde laㅤinformación. Las empresas y organizaciones han impulsado el desarrollo de WAN, extranets, intranets, redes LAN y WAN, así como deㅤInternet. La conexión de la oficina principal de una corporación con sus sucursales se realiza a través de diferentes tipos de enlaces WAN, permitiendo el acceso remoto a usuarios. Sin embargo, establecer y mantener esta red privada puede resultar costoso. Por lo tanto, se plantea la pregunta ¿cómo reducir los gastos de una WAN? El elevado costo de crear una red privada puede llevar a pensar en la posibilidad de utilizar una red pública como alternativa más económica. Sin embargo, la seguridad es un aspecto crítico a considerar en este caso, ya que las redes públicas, como Internet, están expuestas a amenazas por parte de usuarios malintenc...
18
artículo
Publicado 2023
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Research on the bibliographic review studies on collaborative learning at the university level published in the last five years, allows to verify an absence of systematic comparative analysis of explicit and exhaustive analytical criteria that enables ordering of the different contributions. Precisely, the objective of this work was to establish a referential analytical model that allows a clear systematization of the corpus of articles recovered in the period 2018-2022. To meet this objective, a bibliographic search was carried out in the databases: SciELO, RedALyC, Eric and Dialnet. 71 studies were recovered. In the first part of the manuscript, this corpus of research was analyzed based on the constructed analytical criteria or variables. In the second part, the variables of the proposed model were analyzed inclusively. Based on this systematization, 12 studies were selected that can ...
19
artículo
Publicado 2025
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Information and communication technologies are helping to improve experiences in many areas, such as engineering, simulation, education. It is in the area of education, that thanks to the help of hardware and software, are allowing to improve the educational experiences, in the present work, we resort to the use of the Virtual Reality glasses of the Oculus Gest 2 model, with the Spatial application, applied to the learning of music. We present the architecture of the solution so that it can be replicated and scaled to other courses and subjects of study, we present how to configure each of the tools as well as the alternatives that can be worked in order to optimize resources, as a result we present the advantages and disadvantages of using Virtual Reality technology and recommendations to optimize its application so that it can be replicated and scaled to other applications.
20
artículo
This article presents two models of design and construction of a device for the simulation of the movements and interaction of the upper and lower limbs in three-dimensional environments (Virtual Reality device), through the use of free technologies. The Arduino hardware platform is used as the physical data acquisition center. The selection of sensors and actuators is carried out, as well as an analysis of their feasibility and functionality.
